Question 3 (15 points) You are the manager of the Clothing and Accessories Department at a big department store. Currently, your Department stores all sales transactions in an MS Excel spreadsheet. Can you propose a better way to do this? A brief outline design is sufficient. What are the advantages of your design compared to the Excel spreadsheet? Question 4 (10 points) Describe briefly the concepts of update, deletion and insertion anomalies, illustrating each of these by an example. What is the reason for such anomalies? In general terms, how are such issues properly handled and corrected